Alarm Accuracy Within ± 25% under the same conditions ※ 3 ± 30% or less (relative to the alarm set value) under the same conditions the oxygen concentration 0.7VOL% less (under the same conditions) ± 25% or less (relative to the alarm set value) the same conditions ※ ----

An original zero: the initial power-up alarm delay time2 Town Zero circuits: to prevent environmental changes caused by changes in the zero-pointer near the skills to pay3 on the toxic gas detector within ± 30%4 Use the shell is more subject Cadogan power consumption point of the housing 18VA (AC)5 can be normal excitation mode according to the specified